MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3eaa8baf0110d2ee237ab42872cacb3b52aabda92229d5fb1fba508f448a4deb. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


AgentTesla


Vendor detections: 11


Intelligence 11 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3eaa8baf0110d2ee237ab42872cacb3b52aabda92229d5fb1fba508f448a4deb
SHA3-384 hash: 975df99b1763bfaf427549dc23eda3f49f36738a8b5095f8e5bb6859b06acffe7ffc2b763bfa9aa5a6f1ac8079e05695
SHA1 hash: 478980bd9b6c6167608696f1737a0adfbd15f37e
MD5 hash: ccba814a0efaf1b08d64d7983c57a627
humanhash: nitrogen-mississippi-sixteen-batman
File name:documents.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:684'032 bytes
First seen:2022-06-22 03:23:35 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:TsQFdHqU2iNPf+B85FrtvFfOXTLbkPnrxSZmWpocv/pDnScD:l71B+B85FZ9OjLbkPlmmWpRv5ScD
Threatray 17'972 similar samples on MalwareBazaar
TLSH T18EE4CF75264C2DA3DA7DDABC9461864082F089AF7563FDAE3DF328CE45C0B853331969
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
231
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/282145/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Reading critical registry keys
DNS request
Sending a custom TCP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Enabling autorun by creating a file
Changing the hosts file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fareit packed
Link:
https://www.filescan.io/uploads/62b28b6478c7283518894ebc/reports/a3f3287d-3fd4-4d30-b2cd-f8c73f6618bf/overview
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/51a6d3d8-ff7c-4d18-99cc-c49e4a7b3ca5
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1017599
Signature
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies the hosts file
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 650095 Sample: documents.exe Startdate: 22/06/2022 Architecture: WINDOWS Score: 100 72 Malicious sample detected (through community Yara rule) 2->72 74 Antivirus detection for dropped file 2->74 76 Antivirus / Scanner detection for submitted sample 2->76 78 9 other signatures 2->78 7 documents.exe 6 2->7         started        11 yqWDN.exe 5 2->11         started        13 yqWDN.exe 4 2->13         started        process3 file4 46 C:\Users\user\AppData\...\tohgRxrZGrL.exe, PE32 7->46 dropped 48 C:\Users\user\AppData\Local\...\tmp1644.tmp, XML 7->48 dropped 50 C:\Users\user\AppData\...\documents.exe.log, ASCII 7->50 dropped 80 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->80 82 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->82 84 Uses schtasks.exe or at.exe to add and modify task schedules 7->84 15 documents.exe 2 5 7->15         started        20 schtasks.exe 1 7->20         started        86 Antivirus detection for dropped file 11->86 88 Multi AV Scanner detection for dropped file 11->88 90 Machine Learning detection for dropped file 11->90 92 Injects a PE file into a foreign processes 11->92 22 yqWDN.exe 2 11->22         started        24 schtasks.exe 1 11->24         started        26 yqWDN.exe 13->26         started        28 schtasks.exe 13->28         started        30 yqWDN.exe 13->30         started        32 yqWDN.exe 13->32         started        signatures5 process6 dnsIp7 52 euromed-flg.com 41.77.118.168, 49690, 49696, 49697 GTCOMMCA Morocco 15->52 54 mail.euromed-flg.com 15->54 40 C:\Users\user\AppData\Roaming\...\yqWDN.exe, PE32 15->40 dropped 42 C:\Windows\System32\drivers\etc\hosts, ASCII 15->42 dropped 44 C:\Users\user\...\yqWDN.exe:Zone.Identifier, ASCII 15->44 dropped 60 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->60 62 Tries to steal Mail credentials (via file / registry access) 15->62 64 Modifies the hosts file 15->64 66 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->66 34 conhost.exe 20->34         started        56 mail.euromed-flg.com 22->56 36 conhost.exe 24->36         started        58 mail.euromed-flg.com 26->58 68 Tries to harvest and steal ftp login credentials 26->68 70 Tries to harvest and steal browser information (history, passwords, etc) 26->70 38 conhost.exe 28->38         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/3eaa8baf0110d2ee237ab42872cacb3b52aabda92229d5fb1fba508f448a4deb/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-06-22 02:34:31 UTC
File Type:
PE (.Net Exe)
Extracted files:
22
AV detection:
23 of 40 (57.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=h2vixlybcdjo4i32wquhfswlhnjkvpnjeiu5l6y7xjii6rekjxvq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
56293306a9df17a9d74d13e7a57e632068ae6fc7c52df2dedb5b0cf331de9b9d
AgentTesla
9213771d3c5189ae487f47c552a34856d2298ed22aac305bc5f29c03212312ea
AgentTesla
d1d07d3a85bdacc41a20c1380030da1f39b8b22667a04158e0b177f3acb40de6
AgentTesla
d9b0a3a0da83bf55dbf106483f9edb03ead5bc16e0216770ec7c18c8c5e63c59
AgentTesla
f5e569abf12e1a85aecfcdfe9dd84ce7ca2235c59a8c357c257ac5005645ef80
AgentTesla
+ 17'962 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/220622-dx2jtsbae3/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Checks computer location settings
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Drops file in Drivers directory
AgentTesla
Unpacked files
SH256 hash:
b0288bbca09ef241df7d2329521b3f7a27d7ad67cd5d1a354e59e7516125db53
MD5 hash:
e7f56435eb3707ec15f0ba389c3c199d
SHA1 hash:
59ae5e589f19728d702e948182281a21f97af77a
Link:
https://www.unpac.me/results/a5a62441-c18d-4204-b712-029e974cdec6/
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
Link:
https://www.unpac.me/results/a5a62441-c18d-4204-b712-029e974cdec6/
SH256 hash:
529fb89c36622ace4aff8568d6bdaf7fcbe59b2c413d22193b1e2782e1c746ce
MD5 hash:
e3660a3fbdb9aa28a81234eadbb6cb15
SHA1 hash:
35c2b25597fc4e2fe0972a5b74d4381345ab91c6
Link:
https://www.unpac.me/results/a5a62441-c18d-4204-b712-029e974cdec6/
SH256 hash:
3eaa8baf0110d2ee237ab42872cacb3b52aabda92229d5fb1fba508f448a4deb
MD5 hash:
ccba814a0efaf1b08d64d7983c57a627
SHA1 hash:
478980bd9b6c6167608696f1737a0adfbd15f37e
Link:
https://www.unpac.me/results/a5a62441-c18d-4204-b712-029e974cdec6/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3eaa8baf0110/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/3eaa8baf0110d2ee237ab42872cacb3b52aabda92229d5fb1fba508f448a4deb

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:exploit_any_poppopret
Create hunting rule
Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

Executable exe 3eaa8baf0110d2ee237ab42872cacb3b52aabda92229d5fb1fba508f448a4deb

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/282145/

Comments